diff --git a/script/local.py b/script/local.py
index f003860..ec685d8 100755
--- a/script/local.py
+++ b/script/local.py
@@ -189,3 +189,4 @@ def add_convex_hull_plot(title, x,y, name=None, clear = False, x_range = None, y
     hull.setLineWidth(2)
     hull.setData(hx,hy)    
     hull.setColor(s.color)
+    return [hx,hy]